Sometime during the Cretaceous Period, 120 million years ago, a dinosaur wolfed down its last meal — a small mammal the size of a mouse. And it's still there. A researcher with a sharp eye spotted the ...

Paleontologists taking a second look at a species of small, four-winged dinosaur have found a fossilized mammalian foot in the predator’s stomach. It’s the first concrete evidence of dinosaurs eating ...

Modern birds evolved from dinosaurs, but it’s not clear how well birds’ ancient dino ancestors could fly (SN: 10/28/16). Now, a look at the fossilized feet of one nonavian dinosaur suggests that it ...

Microraptor was an opportunistic predator, feeding on fish, birds, lizards – and now small mammals. The discovery of a rare fossil reveals the creature was a generalist carnivore in the ancient ...

The fossil record isn't always kind to preserving the existence of smaller creatures. But this week, scientists announced the discovery of two previously unknown species in two separate studies ...

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